Stop leaking patch controls CSS to other widgets

We leaked these CSS rules onto every other widget in the UI, like
the LDAP login dialog, or the search box in the top right, because
the CSS rules are injected globally into the page and aren't scoped
to the UiBinder instance we are creating.

Change-Id: I4baf16a135bc0e976a6580c02c890853221a11ea
Signed-off-by: Shawn O. Pearce <sop@google.com>
1 file changed